CN1895907A - Waterproofing ink-jet printing media and its production - Google Patents
Waterproofing ink-jet printing media and its production Download PDFInfo
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- CN1895907A CN1895907A CN 200610014389 CN200610014389A CN1895907A CN 1895907 A CN1895907 A CN 1895907A CN 200610014389 CN200610014389 CN 200610014389 CN 200610014389 A CN200610014389 A CN 200610014389A CN 1895907 A CN1895907 A CN 1895907A
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Abstract
A water-proof medium for ink-jet print is composed of a substrate layer and an ink-absorbing layer prepared from inorganic pigment and adhesive. Said inorganic pigment is the nanofiber-shaped alpha-AlO(OH) and nanoflake-shaped alpha-AlO(OH).
Description
Technical field
The present invention relates to a kind of waterproofing ink-jet printing media and preparation method thereof.This ink-jet printing media has quick blotting, the characteristics of wink-dry, and have the performance of certain waterproof, anti-light and rub resistance.
Background technology
Ink jet recording materials is made up of carrier and the ink absorbing layer that is coated on the carrier usually.Ink absorbing layer can roughly be divided into two types: a kind of ink absorbing layer that comprises water-soluble polymer, another kind comprise inorganic pigment and resin binder ink absorbing layer.In first type ink absorbing layer, the water-soluble polymer that ink is inflated absorbs, because it forms continuously film uniformly, glossiness is fabulous, but ink absorption (blotting speed, rate of drying) is lower, and in addition, the waterproof light resistance can be also not too remarkable; In second type ink absorbing layer, ink is absorbed by the space that inorganic pigment forms, and its absorbency is fabulous, but glossiness is not high.
Along with the continuous progress of inkjet technology, the continuous expansion of outdoor advertising demand proposes new requirement again, for example high waterproof, light resistance, crocking resistance etc. to the performance of ink jet recording materials.
A kind of nano-environment protection type coating special for color digital printing paper is disclosed among the Chinese patent CN1769588A, contain Nano titanium dioxide, silica, calcium carbonate and china clay in its ink absorbing layer, this patent has the solid content height, can adapt to high-speed coating and the once requirement of coating, but other performance is not described.
A kind of Alhue paper is disclosed among the Chinese patent CN1775548A, contain inorganic pigment calcium carbonate, silica in its ink absorbing layer, kaolin or their mixture, it is good that this patent has a printing effect, the advantage of good water-proof effect, but do not describe for absorbency and drying time.
Disclose a kind of waterproof glossy ink-jet printing media among the Chinese patent CN1544252A, this medium comprises support and ink absorbing layer, it is characterized in that, containing particle diameter in the wherein said ink absorbing layer is that 8～15nm, specific area are 150～200m
2The inorganic pigment of/g and adhesive, this medium can absorb pigment inks again by the absorbing dye China ink, has high-gloss surface, prints back fast drying, waterproof, anti-the oozing property of spreading and sinking in, contain inorganic pigment silica or aluminium oxide in the wherein said ink absorbing layer, but do not describe for this patent of rub resistance.
Disclose a kind of Alhue paper among the Chinese patent CN1407173A, containing specific area in the ink absorbing layer is 200～600m
2The porous amorphous silica of/g sedimentation type and colloidal state in addition, has also added a certain amount of compound sugar and divalent metal salt, has improved the recording characteristic and the light resistance such as distinctiveness, writing concentration of image, ozone resistance.
A kind of ink jet recording materials is disclosed among the Chinese patent CN1145558C, its coat of colo(u)r comprises the lower floor of at least one barium sulfate-containing and contains the upper strata of aluminium oxide as main pigment or aluminium oxide, silica, barium sulfate and barytic at least two kinds of pigment compositions, this patent has high absorbency, short drying time and good rub resistance, but do not describe for water proofing property.
A kind of high lustre ink-jetting recording material is disclosed among the Chinese patent CN1283723A, the inorganic pigment---silica and the aluminium oxide that wherein contain particle diameter 0.01～1.0 μ m in the ink absorbing layer and have internal pore volume, but contain hydrophilic gelatin in the cover layer, the water proofing property of these recording materials is bad, in addition, this patent of light resistance and rub resistance is not described yet.
A kind of ink jet recording materials is disclosed among the Chinese patent CN1393346A, wherein in the ink absorbing layer except that containing inorganic pigment silica, also containing metal cation is the organic metal salt and the cationic dye-fixing agent of divalent or 3 valencys, thereby improve the light resistance and the ozone resistance of coating, but this patent is not described to the rate of drying of the printing ink after printing.
Summary of the invention
The purpose of this invention is to provide a kind of high anti-water ink-jet printing media and preparation method thereof.It is to have quick blotting, the ink-jet printing media of wink-dry, high water proofing property, light resistance.
Waterproofing ink-jet printing media provided by the invention comprises support and ink absorbing layer, contains inorganic pigment and adhesive in the ink absorbing layer, and described inorganic pigment is the mixture of the boehmite of nanometer fibrous boehmite and nano-sheet.
Described nanometer fibrous boehmite is that length is 20～60nm, and specific area (BET) is 200～400m
2/ g.
The boehmite of described nano-sheet is that diameter is 10～20nm.
Described two kinds of boehmite mass ratioes are 6～12: 1～4.
Described nanometer fibrous boehmite is the surface hydrophobicity material.
Described nanometer fibrous boehmite is with any one or two kinds of mixed and modified and boehmites of making in titanate coupling agent, silane coupler or the zircoaluminate coupling agent.
Described surface modifier is titanate coupling agent, silane coupler or the mixture of the two.
Selected solvent is any in ethanol, ethylene glycol or the isopropyl alcohol in the described surface modification process.
Described nano-sheet boehmite is the boehmite by the nitrate method preparation.
Described adhesive is a polyvinyl alcohol.The alcoholysis degree of described polyvinyl alcohol (mol%) is 87.0～89.0, and the degree of polymerization is 3500～4500.
The mass ratio of described inorganic pigment and adhesive is 5～10: 1.
Also contain dispersant in the described ink absorbing layer.Described dispersant be in acetic acid, boric acid or the polyacrylic acid any.
Described support is plastic-coated (RC) paper substrate.
The preparation of ink-jet printing media of the present invention need be passed through following step:
1) be 87.0～89.0 by metering with alcoholysis degree (mol%), the degree of polymerization is that 3500～4500 polyvinyl alcohol (PVA) adds in the entry, stirs, and heating is warmed up to 98 ℃ gradually, continues to stir 1h under this temperature, reduces to room temperature then, obtains PVA solution.
2) respectively the boehmite I that measures is mixed magnetic agitation with water; Another boehmite II mixes with certain water gaging, and the boehmite II aqueous solution adds dispersant, mechanical agitation; Two kinds of slurries are mixed, stir 20min, get the boehmite slurries.
3) PVA solution is mixed with the boehmite slurries, stir, leave standstill froth breaking, get coating fluid.
4) coating fluid is applied on the RC paper substrate with spreader.
5) 50 ℃ of dry 20min.
Coating weight of the present invention can be 20～60g/m with dry weight basis
2, preferred 30～50g/m
2If less than 20g/m
2, then the absorbency deficiency of coating causes the print image quality problem easily; If greater than 60g/m
2, then can cause the coating be full of cracks, cause print quality to descend.
The present invention is by the influence of factors such as shape, specific surface, pore structure, pore volume and the pore-size distribution of research boehmite, particle size to ink absorption, filter out the pigment of the boehmite of appropriate configuration as high absorbency, and it has been carried out surface modification, make its surface change into hydrophobicity by hydrophily, thereby have high water proofing property, this print media has light resistance and rub resistance.
Nano-sheet boehmite among the present invention prepares by nitrate method: with sodium hydroxide solution aluminium hydroxide is dissolved earlier, then with nitric acid reaction, by control reaction temperature, pH value, reactant concentration, reaction conditions such as material ratio prepare required boehmite.In order to obtain the boehmite of high waterproof, existing technical grade boehmite can be carried out surface modification, method is as follows: in ethanol, ethylene glycol and three kinds of solvents of isopropyl alcohol any mixed with boehmite, high-speed stirred, add any one or two kinds of mixture in titanate coupling agent, silane coupler or the zircoaluminate coupling agent, heat up and stir, filter, dry the boehmite that promptly gets required Gao Kangshui.
Less than 5: 1, promptly the adhesive consumption was too much such as fruit for inorganic pigment and adhesive quality among the present invention, and pigment is less relatively, then can cause ink absorption to reduce, and rate of drying is slack-off, thereby print quality is descended.If greater than 10: 1, promptly the adhesive consumption is very few, then can cause adhesive strength decline between inorganic pigment and the paper substrate, is easy to come off owing to mechanical friction makes coating in the print procedure; In addition, the adhesive consumption is very few, also can cause the coarse injustice of coating surface, and printing effect descends.
Inorganic pigment has two kinds among the present invention, be boehmite, the structure difference of two kinds of boehmites, character is also incomplete same, and its effect is also inequality, and it is the solid China ink of blotting that wherein fibrous boehmite mainly acts on, and another boehmite particle diameter is less, gel-forming property is good, is filled between the bulky grain, makes coating surface smooth.
A main feature of the present invention is except that inorganic pigment, adhesive and dispersant, does not use other auxiliary agent, and preparation procedure is simple relatively, economy.
The specific embodiment
The preparation method of boehmite I (modification):
Prescription:
Technical grade boehmite 15.00g
(20～60nm, specific area (BET) is 200～400m
2/ g, microscopic appearance are fibrous)
Titanate coupling agent (technical grade) 0.45～1.00g
Isopropyl alcohol (analyzing pure) 145.00g
15.00g technical grade boehmite is mixed making beating with the 135.00g isopropyl alcohol, stir; 0.45～1.00g titanate coupling agent is mixed with the 10.00g isopropyl alcohol, stir 10min, join in the above-mentioned boehmite slurries, heat up, stir certain hour fast, suction filtration dries.The preparation method of (annotate: isopropyl alcohol is recyclable, need not handle just and can recycle) boehmite II:
Prescription:
NaOH (analyzing pure) 9.60g
Aluminium hydroxide (analyzing pure) 15.60g
Nitric acid (analyze pure, content 65～68%) 21.70g
Deionized water 650.00g
9.60g NaOH is dissolved in the 60.00g deionized water, is warming up to boiling, add the aluminium hydroxide of 15.60g, be cooled to room temperature after the dissolving, filter and obtain water white sodium metaaluminate akaline liquid; 21.70g nitric acid is dissolved in the 290g deionized water; Sodium aluminate solution is mixed with salpeter solution, regulate pH value to 7～10, heat up, kept 2～10 hours; Filter, wash three times: filter cake is mixed with the 100g deionized water at every turn; Filter, with 120 ℃ of oven dry of products therefrom, getting diameter is the sheet boehmite of 10～20nm.
Embodiment 1
Prescription:
PVA (alcoholysis degree is 87.0～89.0, and the degree of polymerization is 3500) 1.66g
Boehmite I 9.00g
Boehmite II 1.00g
Acetic acid (analyzing pure) 0.29g
Deionized water 57.94g
Take by weighing the 17.94g deionized water, insert in the three-necked bottle, stir, add the PVA of 1.66g, be warming up to 98 ℃, continue to stir 1h, reduce to room temperature, make PVA solution; 9.00g boehmite I is joined in the beaker that fills the 20.00g deionized water, electromagnetic agitation joins 1.00g boehmite II in the three-necked bottle that fills 20.00g deionized water and 0.29g acetic acid mechanical agitation, then two kinds of boehmite slurries are mixed, continue to stir 20min; PVA solution is mixed with the boehmite slurries, stir, leave standstill froth breaking and get coating fluid; Coating fluid is applied on the RC paper substrate 50 ℃ of dry 20min with QTG type spreader.
Embodiment 2
Prescription:
PVA (alcoholysis degree is 87.0～89.0, and the degree of polymerization is 3500) 1.66g
Boehmite I 8.00g
Boehmite II 2.00g
Acetic acid (analyzing pure) 0.35g
Deionized water 57.94g
Take by weighing the 17.94g deionized water, insert in the three-necked bottle, stir, add the PVA of 1.66g, be warming up to 98 ℃, continue to stir 1h, reduce to room temperature, make PVA solution; 8.00g boehmite I is joined in the beaker that fills the 20.00g deionized water, electromagnetic agitation joins 2.00g boehmite II in the three-necked bottle that fills 20.00g deionized water and 0.35g acetic acid mechanical agitation, then two kinds of boehmite slurries are mixed, continue to stir 20min; PVA solution is mixed with the boehmite slurries, stir, leave standstill froth breaking and get coating fluid; Coating fluid is applied on the RC paper substrate 50 ℃ of dry 20min with QTG type spreader.
Embodiment 3
Prescription:
PVA (alcoholysis degree is 87.0～89.0, and the degree of polymerization is 3500) 1.66g
Boehmite I 7.00g
Boehmite II 3.00g
Acetic acid (analyzing pure) 0.58g
Deionized water 57.94g
Take by weighing the 17.94g deionized water, insert in the three-necked bottle, stir, add the PVA of 1.66g, be warming up to 98 ℃, continue to stir 1h, reduce to room temperature, make PVA solution; 7.00g boehmite I is joined in the beaker that fills the 20.00g deionized water, electromagnetic agitation joins 3.00g boehmite II in the three-necked bottle that fills 20.00g deionized water and 0.58g acetic acid mechanical agitation, then two kinds of boehmite slurries are mixed, continue to stir 20min; PVA solution is mixed with the boehmite slurries, stir, leave standstill froth breaking and get coating fluid; Coating fluid is applied on the RC paper substrate 50 ℃ of dry 20min with QTG type spreader.
Embodiment 4
Prescription:
PVA (alcoholysis degree is 87.0～89.0, and the degree of polymerization is 3500) 2.00g
Boehmite I 9.00g
Boehmite II 1.00g
Acetic acid (analyzing pure) 0.29g
Deionized water 63.53g
Take by weighing the 23.53g deionized water, insert in the three-necked bottle, stir, add the PVA of 2.00g, be warming up to 98 ℃, continue to stir 1h, be cooled to room temperature, make PVA solution; 9.00g boehmite I is joined in the beaker that fills the 20.00g deionized water, electromagnetic agitation joins 1.00g boehmite II in the three-necked bottle that fills 20.00g deionized water and 0.29g acetic acid mechanical agitation, then two kinds of boehmite slurries are mixed, continue to stir 20min; PVA solution is mixed with the boehmite slurries, stir, leave standstill froth breaking and get coating fluid; Coating fluid is applied on the RC paper substrate 50 ℃ of dry 20min with QTG type spreader.
Embodiment 5
Prescription:
PVA (alcoholysis degree is 87.0～89.0, and the degree of polymerization is 3500) 1.42g
Boehmite I 9.00g
Boehmite II 1.00g
Acetic acid (analyzing pure) 0.29g
Deionized water 56.70g
Take by weighing the 16.70g deionized water, insert in the three-necked bottle, stir, add the PVA of 1.42g, be warming up to 98 ℃, continue to stir 1h, be cooled to room temperature, make PVA solution; 9.00g boehmite I is joined in the beaker that fills the 20.00g deionized water, electromagnetic agitation joins 1.00g boehmite II in the three-necked bottle that fills 20.00g deionized water and 0.29g acetic acid mechanical agitation, then two kinds of boehmite slurries are mixed, continue to stir 20min; PVA solution is mixed with the boehmite slurries, stir, leave standstill froth breaking; Coating fluid is applied on the RC paper substrate 50 ℃ of dry 20min with QTG type spreader.
Embodiment 6
Prescription:
PVA (alcoholysis degree is 87.0～89.0, and the degree of polymerization is 4500) 1.25g
Boehmite I 9.00g
Boehmite II 1.00g
Acetic acid (analyzing pure) 0.29g
Deionized water 53.46g
Take by weighing the 13.46g deionized water, insert in the three-necked bottle, stir, add the PVA of 1.25g, be warming up to 98 ℃, continue to stir 1h, reduce to room temperature, make PVA solution; 9.00g boehmite I is joined in the beaker that fills the 20.00g deionized water, electromagnetic agitation joins 1.00g boehmite II in the three-necked bottle that fills 20.00g deionized water and 0.29g acetic acid mechanical agitation, then two kinds of boehmite slurries are mixed, continue to stir 20min; PVA solution is mixed with the boehmite slurries, stir, leave standstill froth breaking and get coating fluid; Coating fluid is applied on the RC paper substrate 50 ℃ of dry 20min with QTG type spreader.
Comparative example 1
Prescription:
PVA (alcoholysis degree is 87.0～89.0, and the degree of polymerization is 3500) 1.66g
Boehmite I 5.00g
Boehmite II 5.00g
Acetic acid (analyzing pure) 0.87g
Deionized water 57.94g
Take by weighing the 17.94g deionized water, insert in the three-necked bottle, stir, add the PVA of 1.66g, be warming up to 98 ℃, continue to stir 1h, be cooled to room temperature, make PVA solution; 5.00g boehmite I is joined in the beaker that fills the 15.00g deionized water, electromagnetic agitation joins 5.00g boehmite II in the three-necked bottle that fills 25.00g deionized water and 0.87g acetic acid mechanical agitation, then two kinds of boehmite slurries are mixed, continue to stir 20min; PVA solution is mixed with the boehmite slurries, stir, leave standstill froth breaking; Coating fluid is applied on the RC paper substrate 50 ℃ of dry 20min with QTG type spreader.
Comparative example 2
Prescription:
PVA (alcoholysis degree is 87.0～89.0, and the degree of polymerization is 3500) 1.66g
Boehmite II 10.00g
Acetic acid (analyzing pure) 1.16g
Deionized water 57.94g
Take by weighing the 17.94g deionized water, insert in the three-necked bottle, stir, add the PVA of 1.66g, be warming up to 98 ℃, continue to stir 1h, reduce to room temperature, make PVA solution; 10.00g boehmite II is joined in the three-necked bottle that fills 40.00g deionized water and 1.16g acetic acid, and mechanical agitation is mixed PVA solution with the boehmite slurries, stir, and leaves standstill froth breaking; Coating fluid is applied on the RC paper substrate 50 ℃ of dry 20min with QTG type spreader.
Table 1: evaluation result
| Absorbency | Drying time | Water proofing property | Light resistance | Rub resistance | |
| Embodiment 1 | Excellent | Rapid draing | High waterproof | Gao Kangguang | High abrasion |
| Embodiment 2 | Excellent | Rapid draing | High waterproof | Gao Kangguang | High abrasion |
| Embodiment 3 | Excellent | Rapid draing | High waterproof | Gao Kangguang | High abrasion |
| Embodiment 4 | Excellent | Rapid draing | High waterproof | Gao Kangguang | High abrasion |
| Embodiment 5 | Excellent | Rapid draing | High waterproof | Gao Kangguang | High abrasion |
| Embodiment 6 | Excellent | Rapid draing | High waterproof | Gao Kangguang | High abrasion |
| Comparative example 1 | In | The middling speed drying | Medium waterproof | Medium anti-light | Low wear-resisting |
| Comparative example 2 | Difference | Dry at a slow speed | Low waterproof | Low anti-light | Low wear-resisting |
(annotate: comparative example 1 explanation boehmite I and boehmite II mass ratio have certain scope, exceed its effect after this scope, and as absorbency, water-resistance etc. all can be affected; Comparative example 2 explanations use boehmite II not reach due printing effect separately.)
Evaluation method:
1, absorbency
With EPSON1290 printer prints bust, picture and the white copy paper printed is overlapping, crimping gently, the degree of quantity of ink on the blank sheet of paper that detects by an unaided eye.
Excellent: as not have transfer printing.
In: the part transfer printing.
Difference: transfer printing fully.
2, the ink setting time
With EPSON1290 printer prints bust, with the cotton balls of the white coating that just printed of wiping repeatedly, recording ink drying time.
Rapid draing: instant dry, just print, wiping repeatedly, white cotton balls does not have ink blok.
The middling speed drying: placed 1～5 second, wiping repeatedly, white cotton balls does not have ink blok.
Dry at a slow speed: after placing 10 seconds, wiping repeatedly, white cotton balls does not have ink blok.
3, water proofing property
With EPSON1290 printer prints bust, wash 30min with running water earlier, observe image change, put into water then and flood, observe the coating situation of change.
High waterproof: running water flushing 30min, coating is overflow black, and image effect does not change, and dipping is 6 days in water, and coating does not have significant change, and image effect is good.
Medium waterproof: running water flushing 30min, small volume of ink is overflowed, and image effect descends slightly, and dipping is 6 days in water, coating shedding, the obvious variation of image effect.
Low waterproof: running water flushing 30min, a large amount of inks overflow, and image effect obviously descends.
4, light resistance
With EPSON1290 printer prints bust, print image is placed down in room temperature condition, observe image change.
Gao Kangguang: print image was placed 120 days, did not have difference with the contrast of initial print effect.
Medium anti-light: print image was placed 90 days, did not have difference with the contrast of initial print effect.
Low anti-light: print image was placed 60 days, did not have difference with the contrast of initial print effect.
5, rub resistance
With EPSON1290 printer prints bust,, observe coating and change with calico wiping coating repeatedly 3min; Soaked 3 days in the water, the 3min of wiping coating repeatedly observes the coating situation of change again.
High abrasion: calico wiping coating repeatedly 3min, coating does not change; Soaked in the water 3 days, the 3min of wiping coating repeatedly again, coating does not change.
Medium wear-resisting: calico wiping coating repeatedly 3min, coating does not change; Soaked in the water 3 days, the 3min of wiping coating repeatedly again, partial coating is wiped.
Low wear-resisting: calico wiping coating repeatedly 3min, coating does not change; Soaked in the water 3 days, the 3min of wiping coating repeatedly again, coating is wiped.
Claims (9)
1, a kind of waterproofing ink-jet printing media comprises support and ink absorbing layer, contains inorganic pigment and adhesive in the ink absorbing layer, it is characterized in that, described inorganic pigment is the mixture of the boehmite of nanometer fibrous boehmite and nano-sheet.
2, waterproofing ink-jet printing media according to claim 1 is characterized in that described boehmite is that length is 20～60nm, and specific area (BET) is 200～400m
2The nanometer fibrous boehmite of/g.
3, anti-ink-jet print media according to claim 1 is characterized in that described boehmite is that diameter is the boehmite of 10～20nm nano-sheet.
4, waterproofing ink-jet printing media according to claim 1 is characterized in that described two kinds of boehmite mass ratioes are 6～12: 1～4.
5, waterproofing ink-jet printing media according to claim 1 is characterized in that described nanometer fibrous boehmite is with any one or two kinds of mixed and modified and boehmites of making in titanate coupling agent, silane coupler or the zircoaluminate coupling agent.
6, waterproofing ink-jet printing media according to claim 1 is characterized in that described adhesive is that alcoholysis degree (mol%) is 87.0～89.0, and the degree of polymerization is 3500～4500 polyvinyl alcohol.
7, waterproofing ink-jet printing media according to claim 1, the mass ratio that it is characterized in that described inorganic pigment and adhesive is 5～10: 1.
8,, it is characterized in that also containing in the described ink absorbing layer in dispersant acetic acid, boric acid or the polyacrylic acid any according to the described waterproofing ink-jet printing media of claim 1.
9, waterproofing ink-jet printing media according to claim 1 is characterized in that described support is plastic-coated (RC) paper substrate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100143890A CN100393533C (en) | 2006-06-20 | 2006-06-20 | Waterproofing ink-jet printing media and its production |
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|---|---|---|---|
| CNB2006100143890A CN100393533C (en) | 2006-06-20 | 2006-06-20 | Waterproofing ink-jet printing media and its production |
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| Publication Number | Publication Date |
|---|---|
| CN1895907A true CN1895907A (en) | 2007-01-17 |
| CN100393533C CN100393533C (en) | 2008-06-11 |
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| CN102120594A (en) * | 2011-01-12 | 2011-07-13 | 中国科学院青岛生物能源与过程研究所 | Method for preparing nano alumina from flaky hydrophobic transfer ink |
| CN102120594B (en) * | 2011-01-12 | 2012-11-28 | 中国科学院青岛生物能源与过程研究所 | Method for preparing nano alumina from flaky hydrophobic transfer ink |
| CN102229295A (en) * | 2011-05-13 | 2011-11-02 | 潍坊恒彩数码影像材料有限公司 | Waterproofing ink-jet printing media and preparation method thereof |
| CN102501676A (en) * | 2011-10-14 | 2012-06-20 | 江苏格美高科技发展有限公司 | Matte waterproof polypropylene photo paper applicable for aqueous ink |
| CN102501673A (en) * | 2011-11-08 | 2012-06-20 | 哈尔滨工业大学 | Method for preparing nano composite absorption material for print |
| CN102501673B (en) * | 2011-11-08 | 2013-08-28 | 哈尔滨工业大学 | Method for preparing nano composite absorption material for print |
| CN104379358A (en) * | 2012-06-15 | 2015-02-25 | 舍尔勒尔电子元件两合公司 | Receiving layer for digital printing methods having nanofibrillated cellulose |
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